Skip to main content

furin

noun

furin is a noun meaning “A protease found in certain animal cells” (English Wiktionary, September 2026). It is spelled F-U-R-I-N, and it appears about once in every 42 million words in written English (wordfreq, 2021 data). The plural of furin is furins.

What does furin mean?

noun

  1. 1

    A protease found in certain animal cells

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Forms of furin

  • furins plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is furin?

Furin appears about once in every 42 million words in written English, the 199,120th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Where does furin come from?

From FUR (acronym of FES Upstream Region) + -in.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).